Box Sucker vs Cotton Harlequin Bug

Side-by-side species comparison

Attribute Box Sucker Cotton Harlequin Bug
Scientific Name Psylla buxi Tectocoris diophthalmus
Order Hemiptera Hemiptera
Family Psyllidae Scutelleridae
Size 2-3 mm 15-20 mm
Habitat Gardens Beaches & Coastal
Diet Herbivores Sap Feeders
Regions Europe Australia, Oceania
Conservation Least Concern Least Concern

Box Sucker

A tiny jumping plant louse that causes cupping and distortion of box leaves. Nymphs produce waxy secretions. Can cause significant damage to ornamental box hedges.

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Did You Know?

Causes the characteristic cupped and distorted leaves seen on many box hedges in spring.

Cotton Harlequin Bug

One of Australia's most colourful insects, with a brilliant metallic orange and iridescent blue-black shield-shaped body. The colour pattern varies between individuals, with females being larger and more brightly marked.

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Did You Know?

Females guard their eggs and young nymphs, standing over them protectively in a rare display of maternal care for a bug.